172882642 has 8 divisors (see below), whose sum is σ = 259736832. Its totient is φ = 86303700.

The previous prime is 172882631. The next prime is 172882663. The reversal of 172882642 is 246288271.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 172882595 and 172882604.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 67234 + ... + 69757.

It is an arithmetic number, because the mean of its divisors is an integer number (32467104).

Almost surely, 2^172882642 is an apocalyptic number.

172882642 is a deficient number, since it is larger than the sum of its proper divisors (86854190).

172882642 is a wasteful number, since it uses less digits than its factorization.

172882642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 137624.

The product of its digits is 86016, while the sum is 40.

The square root of 172882642 is about 13148.4843993519. The cubic root of 172882642 is about 557.0794399061.

The spelling of 172882642 in words is "one hundred seventy-two million, eight hundred eighty-two thousand, six hundred forty-two".